Toyota Sienna Service Manual: Terminals of ECU

Toyota Sienna Service Manual / Cruise control / Dynamic laser cruise control system / Terminals of ECU

1. CHECK DISTANCE CONTROL ECU

CHECK DISTANCE CONTROL ECU

Reference: waveform 1

HINT:

Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position

CHECK DISTANCE CONTROL ECU

Reference: waveform 2

HINT:

Terminal: LRRD - SGND
Gauge set: 2 V/DIV., 5 ms./DIV.
Condition: ignition switch in the ON position

2. CHECK ECM

CHECK ECM

If the value is not within the specified range, the ECM may have a malfunction.

3. CHECK LASER SENSOR

CHECK LASER SENSOR

Reference: waveform 1

HINT:

Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position

CHECK LASER SENSOR

Reference: waveform 2

HINT:

Terminal: LRRD - SGND
Gauge set: 2 V/DIV., 5 ms./DIV.
Condition: ignition switch in the ON position

4. BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

Problem symptoms table

HINT: Use the table below to help determine the cause of the problem symptom. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Re ...

Diagnosis system

1. DIAGNOSIS FUNCTION The diagnosis function makes the light and the multi-information display come on, and the CRUISE main indicator light blink as shown in the illustration. When ...

Other materials:

Wiper switch
COMPONENTS REMOVAL 1. REMOVE STEERING COLUMN COVER 2. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY Disconnect the connector. Using a screwdriver, disengage the claw and pull out the windshield wiper switch assembly. NOTICE: The claw will be broken if pressed hard. HINT ...

Removal
1. REMOVE BACK DOOR CENTER GARNISH (See page ET-18) 2. REMOVE POWER BACK DOOR ROD (See page ED- 220) 3. REMOVE BACK DOOR LH SIDE GARNISH 4. REMOVE BACK DOOR RH SIDE GARNISH 5. REMOVE BACK DOOR PULL STRAP (See page ED- 221) 6. REMOVE BACK DOOR TRIM BOARD ASSEMBLY 7. REMOVE LH BACK-UP LIGH ...

Assist grips
Type A An assist grip installed on the ceiling can be used to support your body while sitting on the seat. Type B An assist grip installed on the pillar can be used when getting in or out of the vehicle and others. WARNING Type A: Do not use the assist grip when g ...